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Orbital edge states in a photonic honeycomb lattice
Marijana Milićević, Tomoki Ozawa, Gilles Montambaux +7
We experimentally reveal the emergence of edge states in a photonic lattice with orbital bands. We use a two-dimensional honeycomb lattice of coupled micropillars whose bulk spectr…
Spin-orbit coupling in a hexagonal ring of pendula
Grazia Salerno, Alice Berardo, Tomoki Ozawa +4
We consider the mechanical motion of a system of six macroscopic pendula which are connected with springs and arranged in a hexagonal geometry. When the springs are pre-tensioned,…
Synthetic Dimensions with Magnetic Fields and Local Interactions in Photonic Lattices
Tomoki Ozawa, Iacopo Carusotto
We discuss how one can realize a photonic device that combines synthetic dimensions and synthetic magnetic fields with spatially local interactions. Using an array of ring cavities…
Synthetic Dimensions for Cold Atoms from Shaking a Harmonic Trap
Hannah M. Price, Tomoki Ozawa, Nathan Goldman
We introduce a simple scheme to implement synthetic dimensions in ultracold atomic gases, which only requires two basic and ubiquitous ingredients: the harmonic trap, which confine…
Optical-lattice-assisted magnetic phase transition in a spin-orbit-coupled Bose-Einstein condensate
Giovanni I. Martone, Tomoki Ozawa, Chunlei Qu +1
We investigate the effect of a periodic potential generated by a one-dimensional optical lattice on the magnetic properties of an spin-orbit-coupled Bose gas. By increasing…
Quantum Hall effect in momentum space
Tomoki Ozawa, Hannah M. Price, Iacopo Carusotto
We theoretically discuss a momentum-space analog of the quantum Hall effect, which could be observed in topologically nontrivial lattice models subject to an external harmonic trap…